The plane takes off at 6:00 p.m. So I have to arrive at Wap版

试题详情及答案解析: The plane takes off at 6:00 p.m. So I have to arrive at the airport ________ 5:30 p.m. at the latest.
A after B. since C. until D. by; 答案：D; 试题分析：考查介词的用法。A.在…之后；B.自从..开始；C.直到..时候；D.在..以前。句意：飞机下午下午6点就要起飞了，因为我必须至少在下午5点半之前到达机场。故选D
考点：考查介词的用法